/** * Returns list of <tt>ChatTransport</tt> (i.e. contact) that supports the specified * <tt>OperationSet</tt>. * * @param transports list of <tt>ChatTransport</tt> * @param opSetClass <tt>OperationSet</tt> to find * @return list of <tt>ChatTransport</tt> (i.e. contact) that supports the specified * <tt>OperationSet</tt>. */ private List<ChatTransport> getOperationSetForCapabilities( List<ChatTransport> transports, Class<? extends OperationSet> opSetClass) { List<ChatTransport> list = new ArrayList<ChatTransport>(); for (ChatTransport transport : transports) { ProtocolProviderService protocolProvider = transport.getProtocolProvider(); OperationSetContactCapabilities capOpSet = protocolProvider.getOperationSet(OperationSetContactCapabilities.class); OperationSetPersistentPresence presOpSet = protocolProvider.getOperationSet(OperationSetPersistentPresence.class); if (capOpSet == null) { list.add(transport); } else if (presOpSet != null) { Contact contact = presOpSet.findContactByID(transport.getName()); if ((contact != null) && (capOpSet.getOperationSet(contact, opSetClass) != null)) { // It supports OpSet for at least one of its // ChatTransports list.add(transport); } } } return list; }
/** * Creates an instance of <tt>NewStatusMessageDialog</tt>. * * @param protocolProvider the <tt>ProtocolProviderService</tt>. */ public NewStatusMessageDialog(ProtocolProviderService protocolProvider) { presenceOpSet = (OperationSetPersistentPresence) protocolProvider.getOperationSet(OperationSetPresence.class); this.init(); pack(); }